
import * as utils from "export.js";
import msgBox from "export.js";

let x = 10, y = 100;
let t = utils.add(x, y);
let t2 = utils.remove(t, 200);

let userId = utils[utils.userIdField], userName = utils.userName;
msgBox(userId + "(" + userName + ")" + "总分是：" + t + "，减去200后，变成：" + t2);